package com.farm.mapper;

import com.farm.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

/**
 * @FileName ShoppingCartMapper
 * @Description
 * @Author Sword
 * @date 2025-02-27
 **/

@Mapper
public interface ShoppingCartMapper {

    /**
     * 条件查询
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     *
     * @param cart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cart);

    /**
     * 插入购物车数据
     *
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, number, amount, create_time) " +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     *
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId};")
    void deleteByUserId(Long userId);

    /**
     * 删除商品
     *
     * @param cart
     */
    @Delete("delete from shopping_cart where user_id = #{userId};")
    void delete(ShoppingCart cart);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCarts
     */
    void insertBatch(List<ShoppingCart> shoppingCarts);
}
